<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>函数的使用</title>
</head>
<body>
    
</body>
</html>

<script>
    function sum() {
        console.log('arguments:', arguments);
    }

    sum(1,2,3)
</script>